<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<script type="text/javascript" src="js/jquery-2.1.0.min.js"></script>
<script>
$(function () {
    alert("123")
})
</script>
<body>
<span th:text="${aa}"></span>
</body>
</html>